Hoping to put together a nice small summary In order to do a decent job, I need more serial numbers of which as of now I have 57 from early 1968 to the 43rd rifle made in 1987. Paperport 12.1 Keygen: Full Version Software. Gents, I am doing a bit of a study on the Sportco/Omark 44 rifles and so far have found some of the generally accepted production dates seem to be off.